PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18.3Key Set,socket Head Screw

The American Society of Mechanical Engineers · NSN 5120-01-308-2705 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-308-2705 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-308-2705. Primary manufacturer part number: B18.3.
Features
  • Key Set,socket Head Screw — FSC 5120
  • Container Type: BAG
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Key Characteristic: CONTAINS HEX KEYS SIZE 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN
  • Key Quantity: 8
  • Handle Type: TEE
  • 2 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-01-308-2705, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-308-2705
Primary Part NumberB18.3
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Container TypeBAG
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Key CharacteristicCONTAINS HEX KEYS SIZE 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN
Key Quantity8
Handle TypeTEE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-428-803433198 INTERCHANGEABLE
Key Set,socket Head Screw
Eklind Tool Co
Cross-Reference Index
Part NumberManufacturer
B18.3 The American Society of Mechanical Engineers (USA)
GAW1900A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5120-01-428-8034INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
33198

Frequently Asked Questions

What is NSN 5120-01-308-2705?

NSN 5120-01-308-2705 is a Key Set,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-308-2705?

NSN 5120-01-308-2705 has 2 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), GAW1900A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-308-2705?

There is 1 known substitute for 5120-01-308-2705: 5120-01-428-8034. Verify interchangeability with system specifications before substitution.

What are the specifications of B18.3?

Key specifications for B18.3: Container Type: BAG; Special Features: LOOPED HANDLES; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Key Characteristic: CONTAINS HEX KEYS SIZE 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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